An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5965-01-193-0420
NSN 5835-01-466-5496
NSN 5990-00-518-0684
NSN 5910-01-200-7786
NSN 5915-00-857-9188
NSN 5910-01-254-4373
NSN 5855-01-100-3272
NSN 6130-01-100-6766
NSN 6110-01-587-4309
NSN 5920-01-434-8504
NSN 6220-01-367-0832
NSN 5930-01-388-6516